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Difference between initLoader and restartLoader in LoaderManager
...e "query" to load that data. Let's assume we use a CursorLoader querying a table for orders. If a new order is added to that table the CursorLoader uses onContentChanged() to inform the UI to update and show the new order (no need to use restartLoader in this case). If we want to display only open o...
Is there a way to detect if an image is blurry?
...at representing the blurryness of a given image, you have to work out a suitable metric.
nikie's answer provide such a metric. Convolve the image with a Laplacian kernel:
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1 -4 1
1
And use a robust maximum metric on the output to get a number which you can use for thresholding. Try to a...
How To Set A JS object property name from a variable
...34+, Chrome 44+, Opera 31+, Safari 7.1+
(https://kangax.github.io/compat-table/es6/)
You can add support to older browsers by using a transpiler such as babel. It is easy to transpile an entire project if you are using a module bundler such as rollup or webpack.
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How do I set up email confirmation with Devise?
...vise call
class User < ActiveRecord::Base
devise :database_authenticatable, :confirmable ...
end
2. Make sure you add confirmable to the user migration
create_table :users do |t|
t.database_authenticatable
t.confirmable
...
end
If you're using devise 2.0+ this fails because devise n...
List of Stored Procedures/Functions Mysql Command Line
...the stored procedures or stored functions in mysql command line like show tables; or show databases; commands.
18 Answe...
Getting the SQL from a Django QuerySet [duplicate]
..... My doubt is where i have to write sql query for retrieve value from the table.
– Python Team
Nov 17 '14 at 7:10
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Cookie blocked/not saved in IFRAME in Internet Explorer
...d: if the inner page sends a P3P header with a privacy policy that is acceptable to IE, the cookies will be accepted.
How to solve it
Create a p3p policy
A good starting point is the W3C tutorial. I've gone through it, downloaded the IBM Privacy Policy Editor and there I created a representation...
Filling a DataSet or DataTable from a LINQ query result set
...e? Usually, from the business tier, I can return a typed DataSet or DataTable which can be serialized for transport over ASMX.
...
display:inline vs display:block [duplicate]
...
Here is a comparison table:
You can view examples here.
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CSS disable text selection
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@knutole Read the table again. The value of element is not supported in Chrome/Safari.
– MForMarlon
Sep 5 '14 at 23:59
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